+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   103756 (2000 CH124) Classification: Main-belt Asteroid          SPK-ID: 2103756 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02971928094219697 4.4141e-08   a 2.664280779154328 1.7425e-08 au q 2.585100270169745 1.2124e-07 au i 7.807672491126702 4.7459e-06 deg node 337.3967262126956 3.1715e-05 deg peri 203.4851118295911 9.6079e-05 deg M 245.6490345804401 9.3924e-05 deg tp 2459705.051787544210 (2022-May-05.55178754) 0.00041615 TDB period 1588.431220055498 4.35 1.5583e-05 4.266e-08 d yr n .2266387083398059 2.2234e-09 deg/d Q 2.743461288138911 1.7943e-08 au   Orbit Determination Parameters    # obs. used (total)      692      data-arc span      7655 days (20.96 yr)      first obs. used      2000-02-03      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53205      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:35:44   Additional Information  Earth MOID = 1.59035 au   Jupiter MOID = 2.23291 au   T_jup = 3.370  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.47   n/a E2021B55   diameter diameter 5.239 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.059   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   103756 (2000 CH124)          Discovered 2000-Feb-03 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  2000 CH124 = 2002 RX32  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-07 08:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin